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SIAMSC
2010
215views more  SIAMSC 2010»
13 years 8 months ago
A Fast Algorithm for Sparse Reconstruction Based on Shrinkage, Subspace Optimization, and Continuation
We propose a fast algorithm for solving the ℓ1-regularized minimization problem minx∈Rn µ x 1 + Ax − b 2 2 for recovering sparse solutions to an undetermined system of linea...
Zaiwen Wen, Wotao Yin, Donald Goldfarb, Yin Zhang
SIAMSC
2010
144views more  SIAMSC 2010»
13 years 8 months ago
An Exponentially Convergent Nonpolynomial Finite Element Method for Time-Harmonic Scattering from Polygons
In recent years nonpolynomial finite element methods have received increasing attention for the efficient solution of wave problems. As with their close cousin the method of parti...
A. H. Barnett, Timo Betcke
SIGMOBILE
2010
107views more  SIGMOBILE 2010»
13 years 8 months ago
Oceansense: monitoring the sea with wireless sensor networks
—Wireless sensor networks enable large amount of surveillance applications especially for critical and even hostile environments, for example, the sea monitoring. In OceanSense, ...
Kebin Liu, Zheng Yang, Mo Li, Zhongwen Guo, Ying G...
TASLP
2010
153views more  TASLP 2010»
13 years 8 months ago
On Optimal Frequency-Domain Multichannel Linear Filtering for Noise Reduction
Abstract—Several contributions have been made so far to develop optimal multichannel linear filtering approaches and show their ability to reduce the acoustic noise. However, th...
Mehrez Souden, Jacob Benesty, Sofiène Affes
TASLP
2010
137views more  TASLP 2010»
13 years 8 months ago
High-Pitch Formant Estimation by Exploiting Temporal Change of Pitch
—This paper considers the problem of obtaining an accurate spectral representation of speech formant structure when the voicing source exhibits a high fundamental frequency. Our ...
Tianyu T. Wang, Thomas F. Quatieri